EP2208827B1 - Ausleger einer Arbeitsmaschine - Google Patents

Ausleger einer Arbeitsmaschine Download PDF

Info

Publication number
EP2208827B1
EP2208827B1 EP10150759.8A EP10150759A EP2208827B1 EP 2208827 B1 EP2208827 B1 EP 2208827B1 EP 10150759 A EP10150759 A EP 10150759A EP 2208827 B1 EP2208827 B1 EP 2208827B1
Authority
EP
European Patent Office
Prior art keywords
boom
boom member
cylinder
rigid
side plates
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10150759.8A
Other languages
English (en)
French (fr)
Other versions
EP2208827A3 (de
EP2208827A2 (de
Inventor
Hiroyuki Oda
Takanori Yamasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kobelco Construction Machinery Co Ltd
Original Assignee
Kobelco Construction Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kobelco Construction Machinery Co Ltd filed Critical Kobelco Construction Machinery Co Ltd
Publication of EP2208827A2 publication Critical patent/EP2208827A2/de
Publication of EP2208827A3 publication Critical patent/EP2208827A3/de
Application granted granted Critical
Publication of EP2208827B1 publication Critical patent/EP2208827B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/301—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom with more than two arms (boom included), e.g. two-part boom with additional dipper-arm
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/32—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
    • E02F3/325—Backhoes of the miniature type
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/369—Devices to connect parts of a boom or an arm
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/965—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of metal-cutting or concrete-crushing implements

Definitions

  • the present invention relates to a boom attached to a working machine, such as a demolition machine, as a working attachment.
  • An example of a boom of a working machine includes a main boom member supported on an upper rotating body of the working machine such that the main boom member can be raised and lowered.
  • components can be detachably attached to the main boom member.
  • Japanese Registered Utility Model No. 2535667 describes a working machine in which a base end of an intermediate boom member is inserted between a pair of side plates of a lower boom member, which is a main boom member, and is connected to the lower boom member with connection pins. Similarly, a base end of an upper boom member (second boom member) is inserted between a pair of side plates of the intermediate boom member (first boom member) at a distal end thereof, and is connected to the intermediate boom member with connection pins.
  • a base end of a second boom member 108 is inserted between a pair of side plates 120 of a first boom member 106, and is connected to the first boom member 106 with connection pins 122.
  • a boom cylinder 111 for folding and unfolding the second boom member 108 and a third boom member (not shown) with respect to each other is rotatably supported by a cylinder attachment part 126.
  • the cylinder attachment part 126 is provided at a front side of the second boom member 108, which has a closed cross-section structure (box-shaped structure) with a high rigidity.
  • a boom of a working machine according to the preamble of claim 1 is known from JP 2004 353 396 A .
  • a further boom is disclosed in US 3,589,539 A .
  • An object of the present invention is to provide a boom of a working machine in which a cylinder attachment part can be provided on a second boom member without reducing the rigidity even when a base end of the second boom member cannot be inserted between a pair of side plates of a first boom member.
  • a cylinder attachment part is provided on a rigid member which connects a pair of side plates included in the second boom member to each other.
  • a boom of a working machine includes at least a first boom member, a second boom member, and a third boom member, a base end of the first boom member being attachable to a main body of the working machine with a first-boom member base-end pin such that the first boom member is capable of swinging vertically, a distal end of the first boom member being connected to the second boom member, the second boom member and the third boom member being connected to each other such that the second boom member and the third boom member are rotatable relative to each other about a horizontal shaft, the second boom member and the third boom member being folded and unfolded relative to each other by a boom cylinder.
  • the second boom member includes a pair of side plates configured to sandwich the distal end of the first boom member from both sides of the first boom member in a horizontal direction at base ends of the side plates, a rigid member configured to connect the pair of side plates to each other in the horizontal direction, a closed cross-section portion surrounded by the rigid member and the side plates, horizontal-shaft insertion sections which are provided on the pair of side plates and through which the horizontal shaft extends, connection-pin insertion sections which are provided on the pair of side plates and through which a connection pin for connecting the first boom member to the side plates extends, side-plate extending sections included in the pair of side plates and extending from the connection-pin insertion sections in a direction away from the horizontal shaft, and a cylinder attachment part which is provided on the side-plate extending sections and through which a cylinder supporting pin extends, the cylinder supporting pin supporting one end of the boom cylinder such that the boom cylinder is rotatable. At least a portion of the cylinder supporting pin is disposed closer to the first boom member than the closed
  • the distal end of the first boom member is sandwiched from both sides thereof in the horizontal direction by the pair of side plates of the second boom member.
  • the pair of side plates are connected to each other in the horizontal direction by the rigid member, so that the closed cross-section portion is formed by the rigid member and the pair of side plates and the rigidity is ensured.
  • the load applied to the boom cylinder when the cylinder is expanded or contracted is supported by the side-plate extending sections formed by extending the side plates.
  • the second and third boom members can be separated from the first boom member without detaching the boom cylinder from the cylinder attachment part.
  • "at least a portion of the cylinder supporting pin is " means that the first-boom member base-end pin and the closed cross-section portion may have portions at the same distance from the horizontal-shaft insertion section in the linear direction connecting the first-boom member base-end pin and the horizontal-shaft insertion sections.
  • the cylinder attachment part is connected to a side-plate connecting part configured to connect the side-plate extending sections, and at least a part of load applied to the boom cylinder is received by the side-plate connecting part.
  • the rigid member includes a rigid-member main body configured to connect the pair of side plates to each other at a position between the horizontal-shaft insertion sections and the connection-pin insertion sections and a rigid-member extending section configured to extend from the rigid-member main body and connect the pair of side plates to each other along a front side of the first boom member.
  • the rigid-member main body defines a part of the closed cross-section portion
  • the rigid-member extending section defines the side-plate connecting part
  • the cylinder attachment part is connected so as to extend along the closed cross-section portion and the rigid-member extending section.
  • the cylinder attachment part can be more effectively disposed within a limited space.
  • a second closed cross-section portion different from the closed cross-section portion is provided on the side-plate extending sections at the side opposite to the cylinder attachment part.
  • the rigidity of the cylinder attachment part which receives a large load, is further increased by the second closed cross-section portion.
  • the second closed cross-section portion is provided on the side-plate extending sections, the load applied to the boom cylinder can be more effectively supported in a limited space.
  • the first boom member is a main boom member supported on an upper rotating body of the working machine such that the main boom member is capable of being raised and lowered
  • the second boom member is a main front boom member connected to the main boom member
  • the components attached to the main boom member at the upper side thereof can be replaced without detaching the boom cylinder from the cylinder attachment part. Since the first boom member is the main boom member of the working machine and the second boom member is the main front boom member, a high-rigidity boom member which can be easily replaced with another boom member even when the working machine is small can be provided.
  • Fig. 2 shows a hydraulic excavator 1 as an example of a working machine.
  • the hydraulic excavator 1 includes a boom of a working machine according to an embodiment of the present invention.
  • the hydraulic excavator 1 includes a lower travelling body 3 provided with a crawler 2 and an upper rotating body 4 that is rotatably supported by the lower travelling body 3.
  • the upper rotating body 4 includes a boom foot 5 on which a lower end of a main boom member 6, which corresponds to a first boom member, and lower ends of main boom cylinders 7 are supported.
  • the main boom cylinders 7 allow the main boom member 6 to be raised and lowered by being pivoted about a boom foot pin 5a, which corresponds to a first-boom member base-end pin.
  • the main boom member 6 is provided with hook pins 6a that horizontally project therefrom in the left-right directions.
  • a base end of the main front boom member 8 is engaged with the hook pins 6a.
  • the main boom member 6 is also provided with boss portions 6b that horizontally project therefrom in the left-right directions. Cylinder pins 7a that support upper ends of the main boom cylinders 7 are inserted through the respective boss portions 6b.
  • boom members can be connected to a distal end of the main boom member 6.
  • the main front boom member 8 which corresponds to a second boom member, is attached to the distal end of the main boom member 6 in a non-rotatable manner.
  • the intermediate boom member 9 can be folded and unfolded by a boom cylinder 11.
  • a lower end of an arm cylinder 12 is connected to a back surface of the intermediate boom member 9 such that the arm cylinder 12 is rotatable.
  • a base end of an arm 13 is rotatably supported by a distal end of the intermediate boom member 9, and an upper end of the arm cylinder 12 is rotatably connected to the base end of the arm 13. Accordingly, the intermediate boom member 9 and the arm 13 are connected to each other such that the intermediate boom member 9 and the arm 13 can rotate relative to each other.
  • a base end of a bucket 14 is connected to a distal end of the arm 13 such that the bucket 14 is rotatable.
  • a bucket link 16 is connected to the base end of the bucket 14 and the distal end of the arm 13.
  • a distal end of a bucket cylinder 15 is connected to the bucket link 16. Accordingly, the bucket 14 is connected to the arm 13 such that the bucket 14 can rotate relative to the arm 13.
  • the main front boom member 8 includes a pair of side plates 20 which sandwich the distal end of the main boom member 6 from both sides thereof in a horizontal direction at the base end of the main front boom member 8.
  • Each side plate 20 includes a boss-shaped horizontal-shaft insertion section 20a having a through hole.
  • the boom connection pin 10 connected to the above-described intermediate boom member 9 is inserted through the pair of horizontal-shaft insertion sections 20a at the left and right sides.
  • each side plate 20 includes a pair of connection-pin insertion sections 20b through which connection pins 22 for connecting the side plate 20 to the main boom member 6 are inserted.
  • the horizontal-shaft insertion section 20a and the pair of connection-pin insertion sections 20b in each side plate 20 are arranged in the shape of a triangle in a side view.
  • the pair of side plates 20 are provided with claw-shaped hooks 20c formed at an end opposite to the horizontal-shaft insertion sections 20a (at the main-boom member-6 side).
  • the hooks 20c are engaged with the above-described hook pins 6a.
  • Portions of the pair of side plates 20 at the main-boom member-6 side are cut in a rounded shape so as to continue from the hooks 20c and extend around the boss portions 6b of the main boom member 6. As shown only in Fig.
  • the boom connection pin 10 and the connection pins 22 are provided with a rotation restraining member 10a and rotation restraining members 22a, respectively.
  • Blocks 8a are provided so as to project from a surface of the main front boom member 8 to prevent the rotation restraining members 10a and 22a from rotating.
  • a rigid member 23 which connects the pair of side plates 20 to each other in the horizontal direction is welded to each side plate 20 in an area surrounded by the horizontal-shaft insertion section 20a and the pair of connection-pin insertion sections 20b.
  • the rigid member 23 includes a rigid-member main body 23a and a rigid-member extending section 23b.
  • the rigid-member main body 23a connects the pair of side plates 20 to each other at a position between the horizontal-shaft insertion sections 20a and the connection-pin insertion sections 20b.
  • the rigid-member extending section 23b continues from the rigid-member main body 23a and connects the pair of side plates 20 to each other at a front-surface side of the main boom member 6.
  • the rigid-member main body 23a and the rigid-member extending section 23b may be formed by bending a single steel plate or be welded to each other.
  • a first reinforcing plate 23c is welded to the rigid-member main body 23a at the horizontal-shaft-insertion-section-20a side thereof.
  • the first reinforcing plate 23c is bent toward the pair of connection-pin insertion sections 20b at both ends thereof.
  • a closed cross-section portion 25 is formed in an area surrounded by the first reinforcing plate 23c, the rigid-member main body 23a, and the pair of side plates 20.
  • the rigid-member extending section 23b continues from the rigid-member main body 23a and extends around the connection-pin insertion sections 20b at the front side in a direction away from the horizontal-shaft insertion sections 20a. Then, the rigid-member extending section 23b is bent so as to extend in a direction away from the connection-pin insertion sections 20b at the front side.
  • a cylinder attachment part 26 is welded to the rigid-member extending section 23b and the first reinforcing plate 23c.
  • the cylinder attachment part 26 includes a pair of ribs 26a which are spaced from each other in the horizontal direction and which are welded to the rigid-member extending section 23b and the first reinforcing plate 23c so as to continuously extend therealong.
  • Each of the ribs 26a is provided with a boss portion 26b.
  • the cylinder supporting pin 27 is disposed closer to the main boom member 6 than the closed cross-section portion 25 along a linear direction that connects the boom foot pin 5a at the base end of the main boom member 6 and the horizontal-shaft insertion sections 20a. More specifically, in the case where the boom foot pin 5a is viewed from the horizontal-shaft insertion sections 20a, although the cylinder supporting pin 27 and the closed cross-section portion 25 may have portions at the same distance from the horizontal-shaft insertion sections 20a, at least a portion of the cylinder supporting pin 27 is closer to the main boom member 6 (to the boom foot pin 5a) than the closed cross-section portion 25. This arrangement can be provided since the side plates 20 include side-plate extending sections 21 which expand rearward.
  • a load applied to the cylinder attachment part 26 is transmitted to the connection pins 22 through the rigid-member extending section 23b and the side-plate extending sections 21. A part of the load is also transmitted to the closed cross-section portion 25.
  • a second reinforcing plate 23d is welded to the rigid-member extending section 23b at the side opposite to the cylinder attachment part 26.
  • the second reinforcing plate 23d is bent in a V shape in a side view.
  • a second closed cross-section portion 29 is formed in an area surrounded by the second reinforcing plate 23d, the pair of side plates 20, and the rigid-member extending section 23b.
  • the rigidity of the cylinder attachment part 26, which receives a large load, is further increased by the second closed cross-section portion 29.
  • the shape of the rigid-member extending section 23b is not limited to the V-shape, and may also be an angular U-shape, a semicircular shape, etc., in a side view.
  • the components attached to the main boom member 6 at the upper side thereof can be replaced by removing the main front boom member 8 from the main boom member 6 without detaching the boom cylinder 11 from the cylinder attachment part 26.
  • various types of boom members such as an ultra-long attachment, a separate boom member, etc., may be attached in place of the bucket boom member as in the present embodiment.
  • the distal end of the main boom member 6 is sandwiched from both sides thereof in the horizontal direction by the pair of side plates 20 of the main front boom member 8.
  • the pair of side plates 20 are connected to each other in the horizontal direction by the rigid member 23, so that the closed cross-section portion 25 is formed by the rigid member 23 and the pair of side plates 20 and the rigidity is ensured.
  • the cylinder attachment part 26 is supported by the side-plate extending sections 21 formed by extending the side plates 20.
  • the side plates 20 are extended in a direction away from the boom connection pin 10 along an axial direction of the boom cylinder 11 within a limited space, so that the load applied to the cylinder supporting pin 27 can be effectively supported.
  • Fig. 6 shows a first modification of the embodiment according to the present invention.
  • the first modification basically differs from the above-described embodiment in that the rigid-member extending section 23b is not provided.
  • components similar to those shown in Figs. 1 to 5 are denoted by the same reference numerals, and detailed explanations thereof are thus omitted.
  • a rigid member 123 includes only a portion corresponding to the rigid-member main body 23a according to the above-described embodiment.
  • the closed cross-section portion 25 is formed by this portion and the first reinforcing plate 23c.
  • a side-plate connecting part 125 composed of a circular pipe that extends in the left-right directions is welded to the side-plate extending sections 21.
  • a pair of ribs 126a are welded to the side-plate connecting part 125 at the left and right sides, and each rib 126b is provided with a boss portion 126b.
  • a cylinder attachment part 126 is formed of the ribs 126a and the boss portions 126b.
  • the cylinder supporting pin 27 is inserted through the boss portions 126b while one end of the boom cylinder 11 is placed between the boss portions 126b.
  • Fig. 7 shows a second modification of the embodiment according to the present invention.
  • the second modification basically differs from the above-described first modification in that a side-plate connecting part 225 composed of a rectangular pipe is provided.
  • a cylinder attachment part 226 is formed of ribs 226a and portions 226b. Accordingly, similar to the first modification, the strength can be effectively ensured within a limited space.
  • the boss portions may also be directly welded to the side-plate extending sections 21 so that the boss portions function as a side-plate connecting part. Also in this case, the load applied to the boom cylinder 11 can be transmitted to the side-plate extending sections 21. Also in this modification, similar to the first and second modifications, the strength can be effectively ensured in a limited space.
  • the main boom member 6 is provided as the first boom member
  • the main front boom member 8 is provided as the second boom member
  • the intermediate boom member 9 is provided as the third boom member.
  • the first boom member may be a connecting boom member connected to the main boom member, and a backhoe attachment, which includes a bucket 14 that faces upward, or a crusher may be attached to the distal end of the boom member.
  • the third boom member may also be an arm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Shovels (AREA)
  • Component Parts Of Construction Machinery (AREA)

Claims (5)

  1. Ausleger einer Arbeitsmaschine (1), wobei der Ausleger zumindest ein erstes Auslegerelement (6), ein zweites Auslegerelement (8) und ein drittes Auslegerelement (9) aufweist, wobei ein Basisende des ersten Auslegerelements (6) an einem Hauptkörper (4) der Arbeitsmaschine (1) mit einem Erstes-Auslegerelement-Basisendstift (5a) so angebracht werden kann, dass das erste Auslegerelement (6) in der Lage ist, vertikal zu schwenken, wobei ein distales Ende des ersten Auslegerelements (6) mit dem zweiten Auslegerelement (8) verbunden ist, wobei das zweite Auslegerelement (8) und das dritte Auslegerelement (9) derart miteinander verbunden sind, dass das zweite Auslegerelement (8) und das dritte Auslegerelement (9) um eine horizontale Welle (10) relativ zueinander verdreht werden können, wobei das zweite Auslegerelement (8) und das dritte Auslegerelement (9) durch einen Auslegerzylinder (11) relativ zueinander eingeklappt und ausgeklappt werden können,
    wobei das zweite Auslegerelement (8) Folgendes aufweist:
    ein Paar Seitenplatten (20),
    ein steifes Element (23; 123), das dazu konfiguriert ist, das Paar Seitenplatten (20) in der Horizontalrichtung miteinander zu verbinden,
    einen Geschlossener-Querschnitt-Abschnitt (25), der von dem steifen Element (23; 123) und den Seitenplatten (20) umgeben ist,
    Horizontalwelleneinsetzabschnitte (20a), die an dem Paar Seitenplatten (20) vorgesehen sind und durch die sich die horizontale Welle (10) erstreckt,
    Verbindungsstifteinsetzabschnitte (20b), die an dem Paar Seitenplatten (20) vorgesehen sind und durch die sich ein Verbindungsstift (22) zum Verbinden des ersten Auslegerelements (6) mit den Seitenplatten (20) erstreckt,
    Seitenplattenverlängerungsabschnitte (21), die in dem Paar Seitenplatten (20) enthalten sind und sich von den Verbindungsstifteinsetzabschnitten (20b) in einer Richtung von der horizontalen Welle (10) weg erstrecken, und
    einen Zylinderanbringungsteil (26), durch den sich ein Zylinderstützstift (27) erstreckt, wobei der Zylinderstützstift (27) ein Ende des Auslegerzylinders (11) derart stützt, dass der Auslegerzylinder (11) drehbar ist, dadurch gekennzeichnet, dass
    das Paar Seitenplatten (20) so konfiguriert ist, dass es das distale Ende des ersten Auslegerelements (6) von beiden Seiten des ersten Auslegerelements (6) in einer horizontalen Richtung an Basisenden der Seitenplatten (20) zwischen sich nimmt, und
    der Zylinderanbringungsteil (26) an den Seitenplattenverlängerungsabschnitten (21) vorgesehen ist,
    wobei zumindest ein Abschnitt des Zylinderstützstifts (27) in einer linearen Richtung, die den Erstes-Auslegerelement-Basisendstift (5a) und die Horizontalwelleneinsetzabschnitte (20a) verbindet, näher an dem ersten Auslegerelement (6) als der Geschlossene-Querschnitt-Abschnitt (25) angeordnet ist.
  2. Ausleger der Arbeitsmaschine gemäß Anspruch 1,
    wobei der Zylinderanbringungsteil (26) mit einem Seitenplattenverbindungsteil (23b; 125; 225) verbunden ist, das dazu konfiguriert ist, die Seitenplattenverlängerungsabschnitte (21) zu verbinden, und zumindest einen Teil einer an dem Auslegerzylinder (11) anliegenden Last von dem Seitenplattenverbindungsteil (125; 225) aufgenommen wird.
  3. Ausleger der Arbeitsmaschine (1) gemäß Anspruch 2,
    wobei das steife Element (23) Folgendes aufweist:
    einen Steifes-Element-Hauptkörper (23a), der dazu konfiguriert ist, das Paar Seitenplatten (20) an einer Stelle zwischen den Horizontalwelleneinsetzabschnitten (20a) und den Verbindungsstifteinsetzabschnitten (20b) miteinander zu verbinden, und
    einen Steifes-Element-Verlängerungsabschnitt (23b), der so konfiguriert ist, dass er sich von dem Steifes-Element-Hauptkörper (23a) erstreckt und das Paar Seitenplatten (20) entlang einer Vorderseite des ersten Auslegerelements (6) miteinander verbindet,
    wobei der Steifes-Element-Hauptkörper (23a) einen Teil des Geschlossener-Querschnitt-Abschnitts (25) definiert,
    wobei der Steifes-Element-Verlängerungsabschnitt (23b) der Seitenplattenverbindungsteil definiert, und
    wobei der Zylinderanbringungsteil (26) so verbunden ist, dass er sich entlang des Geschlossener-Querschnitt-Abschnitts (25) und des Steifes-Element-Verlängerungsabschnitts (23b) erstreckt.
  4. Ausleger der Arbeitsmaschine (1) gemäß Anspruch 3,
    wobei ein zweiter Geschlossener-Querschnitt-Abschnitt (29), der sich von dem Geschlossener-Querschnitt-Abschnitt (25) unterscheidet, an den Seitenplattenverlängerungsabschnitten (21) an der dem Zylinderanbringungsteil (26) entgegengesetzten Seite vorgesehen ist.
  5. Ausleger der Arbeitsmaschine (1) gemäß einem der Ansprüche 1 bis 4,
    wobei das erste Auslegerelement (6) ein Hauptauslegerelement ist, das derart an einem oberen Drehkörper (4) der Arbeitsmaschine (1) abgestützt werden kann, dass das Hauptauslegerelement (6) angehoben und abgesenkt werden kann, und
    wobei das zweite Auslegerelement (8) ein Hauptfrontauslegerelement ist, das mit dem Hauptauslegerelement verbunden ist.
EP10150759.8A 2009-01-16 2010-01-14 Ausleger einer Arbeitsmaschine Active EP2208827B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009008188A JP4798228B2 (ja) 2009-01-16 2009-01-16 作業機械のブーム

Publications (3)

Publication Number Publication Date
EP2208827A2 EP2208827A2 (de) 2010-07-21
EP2208827A3 EP2208827A3 (de) 2014-04-23
EP2208827B1 true EP2208827B1 (de) 2015-12-23

Family

ID=42082619

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10150759.8A Active EP2208827B1 (de) 2009-01-16 2010-01-14 Ausleger einer Arbeitsmaschine

Country Status (2)

Country Link
EP (1) EP2208827B1 (de)
JP (1) JP4798228B2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8539699B2 (en) 2006-01-13 2013-09-24 John R. Ramun Modular system for connecting attachments to a construction machine
CA2824286C (en) * 2011-01-13 2019-06-11 John R. Ramun Modular system for connecting attachments to a construction machine
JP5939343B2 (ja) * 2015-08-12 2016-06-22 コベルコ建機株式会社 作業機械のブーム

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3589539A (en) * 1969-06-27 1971-06-29 Hein Werner Corp Backhoe having an articulated gooseneck boom
JP2535667B2 (ja) 1990-11-20 1996-09-18 富士通株式会社 ハンドリング機構
DE4328449A1 (de) * 1993-08-24 1995-03-02 Macmoter Spa Baumaschine, insbesondere Baggerfahrzeug
GB2297308B (en) * 1993-10-27 1997-07-16 Komatsu Mfg Co Ltd A Backhoe
JP3540541B2 (ja) * 1996-01-30 2004-07-07 日立建機株式会社 スイング式油圧ショベル
JP4042907B2 (ja) * 2003-05-30 2008-02-06 日立建機株式会社 作業機用フロント装置と作業機
JP5223276B2 (ja) * 2006-10-31 2013-06-26 尼崎重機株式会社 作業機械のブームおよびフロントアタッチメント

Also Published As

Publication number Publication date
EP2208827A3 (de) 2014-04-23
EP2208827A2 (de) 2010-07-21
JP4798228B2 (ja) 2011-10-19
JP2010163821A (ja) 2010-07-29

Similar Documents

Publication Publication Date Title
CN106948392B (zh) 作业机的动臂及作业机
JP5122786B2 (ja) カウンタウェイトの着脱装置
EP2354327B1 (de) Arbeitsmaschine
EP2208827B1 (de) Ausleger einer Arbeitsmaschine
JP4920022B2 (ja) 旋回式建設機械
EP1775393A1 (de) Bügelstruktur zum Schutz der Kabine einer Arbeitsmaschine
JP5189011B2 (ja) 建設機械の旋回フレーム
JP6013286B2 (ja) 作業機のブーム
JP6260284B2 (ja) 建設機械のサイドフレーム
JP6253153B2 (ja) 建設機械の作業腕構造
EP2290163A1 (de) Baumaschine
JP4105611B2 (ja) 旋回式建設機械
JP2008201328A (ja) トラクタの後作業機装着フレーム構造。
JP3697367B2 (ja) 作業装置
JP4940189B2 (ja) バックホーのブーム構造
JP3398283B2 (ja) パワーショベル
JP4299952B2 (ja) 作業機械の折曲式アーム
JP4351841B2 (ja) 建設機械の旋回フレーム
JP6102965B2 (ja) 作業機械のブームフット部
JP5466672B2 (ja) 建設機械用フロント装置及びその載置台
JPH1136357A (ja) 油圧ショベル用クレーン装置
JP2008082019A (ja) 掘削作業機のシリンダ取付構造
JP4850089B2 (ja) ブーム
JP2009019397A (ja) 建設機械
JP5468031B2 (ja) ハイポスト型揺動式フロント支持装置

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20100114

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

AX Request for extension of the european patent

Extension state: AL BA RS

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

AX Request for extension of the european patent

Extension state: AL BA RS

RIC1 Information provided on ipc code assigned before grant

Ipc: E02F 3/36 20060101ALI20140318BHEP

Ipc: E02F 3/96 20060101ALI20140318BHEP

Ipc: E02F 3/32 20060101ALI20140318BHEP

Ipc: E02F 3/30 20060101AFI20140318BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20150717

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 766629

Country of ref document: AT

Kind code of ref document: T

Effective date: 20160115

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 7

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602010029633

Country of ref document: DE

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20151223

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 766629

Country of ref document: AT

Kind code of ref document: T

Effective date: 20151223

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160131

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160324

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160426

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160423

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

Ref country code: LU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160114

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602010029633

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160131

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160131

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

26N No opposition filed

Effective date: 20160926

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160114

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20100114

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160131

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151223

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20221201

Year of fee payment: 14

Ref country code: FR

Payment date: 20221208

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20221213

Year of fee payment: 14

Ref country code: DE

Payment date: 20221130

Year of fee payment: 14

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602010029633

Country of ref document: DE

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20240114

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20240801

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20240114

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20240131